Tasi’u, M., Bello, A., Garba, H. D., & Bukar, B. A. (2025). On the Efficacy of ARFIMA, ARTFIMA, and MARFIMA Models in Forecasting Nigerian Crude Oil Prices. UMYU Scientifica, 4(3), 216-222. https://doi.org/10.56919/usci.2543.021